In Re Orchard Enterprises, Inc. Stockholder Litigation, C.A. No. 7840-VCL (Del. Ch. Feb. 28, 2014).

This decision deserves a more extended discussion but for present purposes it is noteworthy for its application of DGCL Section 242 and its admonition that:

The DGCL does not require that stockholders receive many  items of information, but those that it does require are material per se.

A prior Chancery decision involving an appraisal, and highlighted on these pages, provides more background.